linux-kernel - Re: [2/8, v5] NUMA Hotplug Emulator: Add node hotplug emulation

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Message-ID: <alpine.DEB.2.00.1012011658540.1896@chino.kir.corp.google.com>
Date:	Wed, 1 Dec 2010 16:59:22 -0800 (PST)
From:	David Rientjes <rientjes@...gle.com>
To:	Shaohui Zheng <shaohui.zheng@...el.com>
cc:	akpm@...ux-foundation.org, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, haicheng.li@...ux.intel.com,
	lethal@...ux-sh.org, ak@...ux.intel.com,
	shaohui.zheng@...ux.intel.com, dave@...ux.vnet.ibm.com,
	gregkh@...e.de, Haicheng Li <haicheng.li@...el.com>
Subject: Re: [2/8, v5] NUMA Hotplug Emulator: Add node hotplug emulation

On Wed, 1 Dec 2010, Shaohui Zheng wrote:

> David,
> 	we provide both debugfs and sysfs interface for memory probe, the sysfs 
> interface is always available. For debugfs interface, it depends on CONFIG_DEBUG_FS.
> 	we can also think that memory hotplug emulation _is_ a debuging function,
> so we accept Dave's suggestion to provide debugfs interface.
> 

We don't need two different interfaces, one in sysfs and one in debugfs, 
to hotplug memory.
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